[INFO] cloning repository https://github.com/milesrout/ch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milesrout/ch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilesrout%2Fch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilesrout%2Fch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69e2a86e86defa4845b5dc51954afca341bd66c2
[INFO] testing milesrout/ch against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilesrout%2Fch" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/milesrout/ch on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/milesrout/ch
[INFO] finished tweaking git repo https://github.com/milesrout/ch
[INFO] tweaked toml for git repo https://github.com/milesrout/ch written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/milesrout/ch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f865bd2e449cfa8f9ed07fbdeaaabadff7008843a9a99985b8f70685fad861c
[INFO] running `Command { std: "docker" "start" "-a" "0f865bd2e449cfa8f9ed07fbdeaaabadff7008843a9a99985b8f70685fad861c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f865bd2e449cfa8f9ed07fbdeaaabadff7008843a9a99985b8f70685fad861c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f865bd2e449cfa8f9ed07fbdeaaabadff7008843a9a99985b8f70685fad861c", kill_on_drop: false }`
[INFO] [stdout] 0f865bd2e449cfa8f9ed07fbdeaaabadff7008843a9a99985b8f70685fad861c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af031e10f32008a4bdc4fb5ed369c0e7437c0a9e1436bcc51a3f57ee78daa86a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "af031e10f32008a4bdc4fb5ed369c0e7437c0a9e1436bcc51a3f57ee78daa86a", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling either v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling itertools v0.5.5
[INFO] [stderr]    Compiling ch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lexer.rs:325:48
[INFO] [stdout]     |
[INFO] [stdout] 325 |             &Error::Regex(ref err) => (err as &error::Error).description(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lexer.rs:325:62
[INFO] [stdout]     |
[INFO] [stdout] 325 |             &Error::Regex(ref err) => (err as &error::Error).description(),
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_expr`
[INFO] [stdout]    --> src/parser.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn parse_expr(&mut self) -> Result<Expr> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.ch.32rk69v6-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93.2mpudcw664yp06ck.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libregex-f2d56e4a0ed2ceac.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-2d1e29d9c4190db2.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-8b3bd9caa0bd1094.rlib" "/opt/rustwide/target/debug/deps/libthread_local-bb5ed9f2c5186996.rlib" "/opt/rustwide/target/debug/deps/libthread_id-a7de2de54d6fbdb5.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-1ffc324d4cfa5670.rlib" "/opt/rustwide/target/debug/deps/libmemchr-bf811f5d0df33eb1.rlib" "/opt/rustwide/target/debug/deps/libitertools-2f0c435b6e426aa6.rlib" "/opt/rustwide/target/debug/deps/libeither-031eba38be0dfd31.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-1dffa164e01e73f4.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-4ecc9860ddfb39ed.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-b1a6a002b57d2c79.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b04be3535e5be880.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-88e930df24bbaa49.rlib" "/opt/rustwide/target/debug/deps/libwinapi-603ff5f75172bf08.rlib" "/opt/rustwide/target/debug/deps/libkernel32-e4d8c3f315d93e21.rlib" "/opt/rustwide/target/debug/deps/liblibc-3187b50b5b107f02.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-785e3cb61c4b1960.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-087191a88bdaa22d.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9981842c02975178.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6fb405869b015fde.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d05c5c3c56004b7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-42d74d2097528b38.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fb36534c113d2209.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b56b9042c12b6535.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-491902d6cb3e76df.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-61834e0981b8c367.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f78aa99d613a55bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-53ee54cd7fed2c57.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-544ecdbd6cda3c58.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-379cc252b6943a79.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8063eea38dcc5e62.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5b228734afae15ee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d6c7a399d95d173f.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/ch-873f3fd621232c93" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-1dffa164e01e73f4.rlib(backtrace-1dffa164e01e73f4.backtrace.5sdbe58y-cgu.14.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-1dffa164e01e73f4.rlib(backtrace-1dffa164e01e73f4.backtrace.5sdbe58y-cgu.14.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:177: undefined reference to `backtrace_syminfo'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ch`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "af031e10f32008a4bdc4fb5ed369c0e7437c0a9e1436bcc51a3f57ee78daa86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af031e10f32008a4bdc4fb5ed369c0e7437c0a9e1436bcc51a3f57ee78daa86a", kill_on_drop: false }`
[INFO] [stdout] af031e10f32008a4bdc4fb5ed369c0e7437c0a9e1436bcc51a3f57ee78daa86a
